Isaiah spent his first 4 tokens at Zap Zoo Arcade on a game of air hockey. Then he played his favorite game, Solar Scout, over and over until he ran out of tokens. Solar Scout costs 2 tokens per game, and Isaiah started with a bucket of 40 game tokens. How many games of Solar Scout did Isaiah play?

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?